<!DOCTYPE html>
<html lang="zh_CN"><!--lang="zh_CN" 表示中文-->
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="arguments.js"></script>
</head>
<body>
    <h1 onclick="alert('点击了标题！')">hello</h1>
    <iframe src="https://www.baidu.com" frameborder="1" height="500" width="500" name="abc"></iframe>

    <ul>
        <li><a href="https://www.baidu.com" target="abc">百度</a></li>
        <li><a href="http://www.vip.com" target="abc">vip</a></li>
    </ul>
</body>
</html>